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Home >> BMW >> 2007 >> 760Li >> Repair and Diagnosis >> Transmission >> Automatic Trans >> SMG II - Overview >> SMG II >> Principle of Operation >> Safety Functions >> Shift Lock

Shift Lock

A shift lock prevents an unintended gearchange.

It is possible to only engage a gear with the brake applied, except that when shifting from Reverse to 1st or 1st to Reverse, shifting may be accomplished if the car is not moving for a time period of approximately 2 seconds.

The two seconds enable a rapid shift from position "R" to a forwards gear via position "0" without having to depress the footbrake.

The shift lock is activated by a magnet, which locks the selector lever at zero current in the "0" position.